Grey Hair Turns Black This grey hair reverse bar can effectively inhibit the growth of white hair, improve melanin in hair, maintain the beauty of hair, and make hair black and bright. If you use it regularly for a long time, it will gradually reduce the growth of white hair and restore your natural hair color.Anti-Hair Loss Shampoo Bar This mane root activator shampoo bar effectively protects hair, consolidate hair roots, repair hair follicles and improve hair loss. Let your hair grow more vigorously and make it more beautiful!Organic Herbal Formula The soap for grey hair made of pure natural plant extracts, including Polygonum multiflorum, ginger, ginseng and other plants that are great for hair extraction. Natural substance, non-irritating and insensitive, suitable for all hair types, can be used it safely.Repair and Nourish Our Natural Hair Darkening Soap provides deep nutrition for your hair and scalp, promotes healthy hair growth, enhances hair color vitality and maintains luster. It revitalizes and rejuvenates your hair, giving it a youthful vitality and radiance.Easy To Use Simply wet your hair, apply the shampoo bar directly onto wet hair, and gently massage your scalp for 2-3 minutes, then rinse off with warm water. Our Gray Hair Reverse Bar Shampoo is made from safe and gentle materials, suitable for both men and women for daily use.